v3.26.3
Summary of Significant Accounting Policies - Schedule of Net Revenues (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
CNY (¥)
Schedule of Net Revenues [Line Items]      
Net revenues $ 407,931 ¥ 2,778,378 ¥ 8,283,373
Product sales revenue [Member]      
Schedule of Net Revenues [Line Items]      
Net revenues   2,430,928 7,931,032
Service revenue [Member]      
Schedule of Net Revenues [Line Items]      
Net revenues   ¥ 347,450 ¥ 352,341